SystemOutputInterceptor (groovy 2.2.0 API)

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Groovy 2.2.0

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groovy.ui
[Java] Class SystemOutputInterceptor

java.lang.Object
  java.io.OutputStream
      java.io.FilterOutputStream
          groovy.ui.SystemOutputInterceptor

public class SystemOutputInterceptor
extends FilterOutputStream

Intercepts System.out/System.err. Implementation helper for Console.groovy.

Constructor Summary
`SystemOutputInterceptor(Closure callback)` Constructor
`SystemOutputInterceptor(Closure callback, boolean output)` Constructor

Method Summary
`void`	`start()` Starts intercepting System.out/System.err
`void`	`stop()` Stops intercepting System.out/System.err, sending output to wherever it was going when this interceptor was created.
`void`	`write(byte[] b, int off, int len)` Intercepts output - moret common case of byte[]
`void`	`write(int b)` Intercepts output - single characters

Methods inherited from class FilterOutputStream
write, write, write, close, flush, wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll

Methods inherited from class OutputStream
write, write, write, close, flush, wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll

Constructor Detail

public SystemOutputInterceptor(Closure callback)

Constructor

Parameters:: callback - accepts a string to be sent to std out and returns a Boolean. If the return value is true, output will be sent to System.out, otherwise it will not.

public SystemOutputInterceptor(Closure callback, boolean output)

Constructor

Parameters:: callback - accepts a string to be sent to std out and returns a Boolean. If the return value is true, output will be sent to System.out/System.err, otherwise it will not.; output - flag that tells whether System.out needs capturing ot System.err

Method Detail

public void start()

Starts intercepting System.out/System.err

public void stop()

Stops intercepting System.out/System.err, sending output to wherever it was going when this interceptor was created.

public void write(byte[] b, int off, int len)

Intercepts output - moret common case of byte[]

public void write(int b)

Intercepts output - single characters